Finding the Third Proportional to 2,509,218 and 5,342,112

Step by Step Solution

1. Step 1: Write the proportion equation
   2,509,218 : 5,342,112 = 5,342,112 : x
2. Step 2: Convert to fraction form
   2,509,218/5,342,112 = 5,342,112/x
3. Step 3: Cross multiply
   2,509,218x = 5,342,112 × 5,342,112
4. Step 4: Simplify right side
   2,509,218x = 28,538,160,620,544
5. Step 5: Solve for x
   x = 28,538,160,620,544/2,509,218
6. Step 6: Final answer
   x = 11,373,328.51